Hydran Excursor

A Warlord with this Trait, must select any one variant of the Legiones Astartes (X) special rule other than Legiones Astartes (Alpha Legion) at the start of the battle, before any models are deployed. The Warlord and any unit he has joined gain a bonus of +1 to all To Hit rolls made against models with the chosen variant of the Legiones Astartes (X) special rule. In addition, an army whose Warlord has this Trait may make an additional Reaction during the Shooting phase as long as the Warlord has not been removed as a casualty.